JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 11 April 2023, Shift 2, Physics Q54

Question 54 of 90 in this shift, Physics question 24 of 30, Section B.

A block of mass

5\ \mathrm{kg}

starting from rest pulled up on a smooth incline plane making an angle of

30^\circ

with horizontal with an affective acceleration of

1\ \mathrm{ms^{-2}}

. The power delivered by the pulling force at t = 10 s from the start is ____________ W [use

g = 10\ \mathrm{ms^{-2}}

] (calculate the nearest integer value)

Official answer

300

NTA final key.

Chapter: Work, Energy and Power
Topic: Power
Idea tested: Instantaneous Power

Same idea in other shifts

Asked 3× in all

10 Apr 2023, Shift 2 · Q54If the maximum load carried by an elevator is 1400 kg (600 kg - Passengers + 800 kg - elevator), which is moving up with a uniform speed…MediumNumerical value
3 Aug 2021, Shift 2 · Q20A block of mass 4.0 kg is pulled up on a smooth incline of angle $30^\circ$ with the horizontal. If the block moves with an acceleration…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.